Some Republicans believe that they are better off with Trump winning the White House on the grounds that he will be theoretically term limited and thus can be shoved off the stage after 2028. Should he lose to Harris this fall, the thinking goes, "he would once again insist he was cheated and hold out the possibility of a fourth consecutive bid, prolonging the party’s capture." Other Republicans, however, want to have Trump gone as quickly as possible and they think that they could hold off major policy advances by a Harris presidency by retaking the Senate this fall and...